.github/workflows/.test-prepare.yml

# reusable workflow
name: .test-prepare

# TODO: hide reusable workflow from the UI. Tracked in https://github.com/community/community/discussions/12025

on:
  workflow_call:
    outputs:
      matrix:
        description: Test matrix
        value: ${{ jobs.run.outputs.matrix }}

jobs:
  run:
    runs-on: ubuntu-20.04
    outputs:
      matrix: ${{ steps.set.outputs.matrix }}
    steps:
      -
        name: Checkout
        uses: actions/checkout@v3
      -
        name: Create matrix
        id: set
        uses: actions/github-script@v6
        with:
          script: |
            let matrix = ['graphdriver'];
            if ("${{ contains(github.event.pull_request.labels.*.name, 'containerd-integration') || github.event_name != 'pull_request' }}" == "true") {
              matrix.push('snapshotter');
            }
            await core.group(`Set matrix`, async () => {
              core.info(`matrix: ${JSON.stringify(matrix)}`);
              core.setOutput('matrix', JSON.stringify(matrix));
            });